WID-SEC-W-2022-1617
Vulnerability from csaf_certbund
Published
2021-04-05 22:00
Modified
2024-02-07 23:00
Summary
Linux Kernel: Schwachstelle ermöglicht Offenlegung von Informationen

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
Der Kernel stellt den Kern des Linux Betriebssystems dar.
Angriff
Ein lokaler Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um Informationen offenzulegen.
Betroffene Betriebssysteme
- Linux


To clipboard 

{
   document: {
      aggregate_severity: {
         text: "mittel",
      },
      category: "csaf_base",
      csaf_version: "2.0",
      distribution: {
         tlp: {
            label: "WHITE",
            url: "https://www.first.org/tlp/",
         },
      },
      lang: "de-DE",
      notes: [
         {
            category: "legal_disclaimer",
            text: "Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.",
         },
         {
            category: "description",
            text: "Der Kernel stellt den Kern des Linux Betriebssystems dar.",
            title: "Produktbeschreibung",
         },
         {
            category: "summary",
            text: "Ein lokaler Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um Informationen offenzulegen.",
            title: "Angriff",
         },
         {
            category: "general",
            text: "- Linux",
            title: "Betroffene Betriebssysteme",
         },
      ],
      publisher: {
         category: "other",
         contact_details: "csaf-provider@cert-bund.de",
         name: "Bundesamt für Sicherheit in der Informationstechnik",
         namespace: "https://www.bsi.bund.de",
      },
      references: [
         {
            category: "self",
            summary: "WID-SEC-W-2022-1617 - CSAF Version",
            url: "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-1617.json",
         },
         {
            category: "self",
            summary: "WID-SEC-2022-1617 - Portal Version",
            url: "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-1617",
         },
         {
            category: "external",
            summary: "Red Hat Bugzilla - Bug 1946279 vom 2021-04-05",
            url: "https://bugzilla.redhat.com/show_bug.cgi?id=1946279",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2021:1211-1 vom 2021-04-15",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2021-April/008642.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2021:1210-1 vom 2021-04-15",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2021-April/008641.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2021:1248-1 vom 2021-04-16",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2021-April/008651.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2021:1238-1 vom 2021-04-16",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2021-April/008645.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2021:1266-1 vom 2021-04-20",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2021-April/008657.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2021:1301-1 vom 2021-04-21",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2021-April/008670.html",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-4946-1 vom 2021-05-12",
            url: "https://ubuntu.com/security/notices/USN-4946-1",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-4945-1 vom 2021-05-12",
            url: "https://ubuntu.com/security/notices/USN-4945-1",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-4947-1 vom 2021-05-12",
            url: "https://ubuntu.com/security/notices/USN-4947-1",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2021:14724-1 vom 2021-05-12",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008759.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2021:1596-1 vom 2021-05-13",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008770.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2021:1573-1 vom 2021-05-12",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008764.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2021:1617-1 vom 2021-05-17",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008777.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2021:1623-1 vom 2021-05-18",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008780.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2021:1625-1 vom 2021-05-18",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008782.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2021:1624-1 vom 2021-05-18",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008781.html",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-4945-2 vom 2021-05-19",
            url: "https://ubuntu.com/security/notices/USN-4945-2",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-4984-1 vom 2021-06-04",
            url: "https://ubuntu.com/security/notices/USN-4984-1",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2021:1977-1 vom 2021-06-15",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2021-June/009018.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2021:1975-1 vom 2021-06-15",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2021-June/009015.html",
         },
         {
            category: "external",
            summary: "Debian Security Advisory DLA-2689 vom 2021-06-23",
            url: "https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html",
         },
         {
            category: "external",
            summary: "Oracle Linux Security Advisory ELSA-2022-9852 vom 2022-10-04",
            url: "https://linux.oracle.com/errata/ELSA-2022-9852.html",
         },
         {
            category: "external",
            summary: "ORACLE OVMSA-2022-0026 vom 2022-10-11",
            url: "https://oss.oracle.com/pipermail/oraclevm-errata/2022-October/001062.html",
         },
         {
            category: "external",
            summary: "Red Hat Security Advisory RHSA-2022:7683 vom 2022-11-08",
            url: "https://access.redhat.com/errata/RHSA-2022:7683",
         },
         {
            category: "external",
            summary: "Red Hat Security Advisory RHSA-2022:7444 vom 2022-11-08",
            url: "https://access.redhat.com/errata/RHSA-2022:7444",
         },
         {
            category: "external",
            summary: "Red Hat Security Advisory RHSA-2022:8781 vom 2022-12-08",
            url: "https://access.redhat.com/errata/RHSA-2022:8781",
         },
         {
            category: "external",
            summary: "Red Hat Security Advisory RHSA-2022:8889 vom 2022-12-08",
            url: "https://access.redhat.com/errata/RHSA-2022:8889",
         },
         {
            category: "external",
            summary: "Red Hat Security Advisory RHSA-2024:0724 vom 2024-02-07",
            url: "https://access.redhat.com/errata/RHSA-2024:0724",
         },
      ],
      source_lang: "en-US",
      title: "Linux Kernel: Schwachstelle ermöglicht Offenlegung von Informationen",
      tracking: {
         current_release_date: "2024-02-07T23:00:00.000+00:00",
         generator: {
            date: "2024-08-15T17:36:04.893+00:00",
            engine: {
               name: "BSI-WID",
               version: "1.3.5",
            },
         },
         id: "WID-SEC-W-2022-1617",
         initial_release_date: "2021-04-05T22:00:00.000+00:00",
         revision_history: [
            {
               date: "2021-04-05T22:00:00.000+00:00",
               number: "1",
               summary: "Initiale Fassung",
            },
            {
               date: "2021-04-15T22:00:00.000+00:00",
               number: "2",
               summary: "Neue Updates von SUSE aufgenommen",
            },
            {
               date: "2021-04-18T22:00:00.000+00:00",
               number: "3",
               summary: "Neue Updates von SUSE aufgenommen",
            },
            {
               date: "2021-04-20T22:00:00.000+00:00",
               number: "4",
               summary: "Neue Updates von SUSE aufgenommen",
            },
            {
               date: "2021-04-21T22:00:00.000+00:00",
               number: "5",
               summary: "Neue Updates von SUSE aufgenommen",
            },
            {
               date: "2021-05-11T22:00:00.000+00:00",
               number: "6",
               summary: "Neue Updates von Ubuntu aufgenommen",
            },
            {
               date: "2021-05-13T22:00:00.000+00:00",
               number: "7",
               summary: "Neue Updates von SUSE aufgenommen",
            },
            {
               date: "2021-05-17T22:00:00.000+00:00",
               number: "8",
               summary: "Neue Updates von SUSE aufgenommen",
            },
            {
               date: "2021-05-18T22:00:00.000+00:00",
               number: "9",
               summary: "Neue Updates von SUSE aufgenommen",
            },
            {
               date: "2021-06-06T22:00:00.000+00:00",
               number: "10",
               summary: "Neue Updates von Ubuntu aufgenommen",
            },
            {
               date: "2021-06-15T22:00:00.000+00:00",
               number: "11",
               summary: "Neue Updates von SUSE aufgenommen",
            },
            {
               date: "2021-06-22T22:00:00.000+00:00",
               number: "12",
               summary: "Neue Updates von Debian aufgenommen",
            },
            {
               date: "2022-10-04T22:00:00.000+00:00",
               number: "13",
               summary: "Neue Updates von Oracle Linux aufgenommen",
            },
            {
               date: "2022-10-11T22:00:00.000+00:00",
               number: "14",
               summary: "Neue Updates von ORACLE aufgenommen",
            },
            {
               date: "2022-11-08T23:00:00.000+00:00",
               number: "15",
               summary: "Neue Updates von Red Hat aufgenommen",
            },
            {
               date: "2022-12-07T23:00:00.000+00:00",
               number: "16",
               summary: "Neue Updates von Red Hat aufgenommen",
            },
            {
               date: "2022-12-08T23:00:00.000+00:00",
               number: "17",
               summary: "Neue Updates von Red Hat aufgenommen",
            },
            {
               date: "2024-02-07T23:00:00.000+00:00",
               number: "18",
               summary: "Neue Updates von Red Hat aufgenommen",
            },
         ],
         status: "final",
         version: "18",
      },
   },
   product_tree: {
      branches: [
         {
            branches: [
               {
                  category: "product_name",
                  name: "Debian Linux",
                  product: {
                     name: "Debian Linux",
                     product_id: "2951",
                     product_identification_helper: {
                        cpe: "cpe:/o:debian:debian_linux:-",
                     },
                  },
               },
            ],
            category: "vendor",
            name: "Debian",
         },
         {
            branches: [
               {
                  branches: [
                     {
                        category: "product_version_range",
                        name: "< 5.11.3",
                        product: {
                           name: "Open Source Linux Kernel < 5.11.3",
                           product_id: "T018547",
                        },
                     },
                  ],
                  category: "product_name",
                  name: "Linux Kernel",
               },
            ],
            category: "vendor",
            name: "Open Source",
         },
         {
            branches: [
               {
                  category: "product_name",
                  name: "Oracle Linux",
                  product: {
                     name: "Oracle Linux",
                     product_id: "T004914",
                     product_identification_helper: {
                        cpe: "cpe:/o:oracle:linux:-",
                     },
                  },
               },
            ],
            category: "vendor",
            name: "Oracle",
         },
         {
            branches: [
               {
                  category: "product_name",
                  name: "Red Hat Enterprise Linux",
                  product: {
                     name: "Red Hat Enterprise Linux",
                     product_id: "67646",
                     product_identification_helper: {
                        cpe: "cpe:/o:redhat:enterprise_linux:-",
                     },
                  },
               },
               {
                  category: "product_name",
                  name: "Red Hat OpenShift",
                  product: {
                     name: "Red Hat OpenShift",
                     product_id: "T008027",
                     product_identification_helper: {
                        cpe: "cpe:/a:redhat:openshift:-",
                     },
                  },
               },
            ],
            category: "vendor",
            name: "Red Hat",
         },
         {
            branches: [
               {
                  category: "product_name",
                  name: "SUSE Linux",
                  product: {
                     name: "SUSE Linux",
                     product_id: "T002207",
                     product_identification_helper: {
                        cpe: "cpe:/o:suse:suse_linux:-",
                     },
                  },
               },
            ],
            category: "vendor",
            name: "SUSE",
         },
         {
            branches: [
               {
                  category: "product_name",
                  name: "Ubuntu Linux",
                  product: {
                     name: "Ubuntu Linux",
                     product_id: "T000126",
                     product_identification_helper: {
                        cpe: "cpe:/o:canonical:ubuntu_linux:-",
                     },
                  },
               },
            ],
            category: "vendor",
            name: "Ubuntu",
         },
      ],
   },
   vulnerabilities: [
      {
         cve: "CVE-2021-30002",
         notes: [
            {
               category: "description",
               text: "Es existiert eine Schwachstelle im Linux Kernel, welche auftritt wenn eine Webcam im System vorhanden ist. Die Schwachstelle ist zurückzuführen auf einen Fehler in \"video_usercopy\" in \"drivers/media/v4l2-core/v4l2-ioctl.c\", der zu einem Speicherleck führt. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um Informationen offenzulegen.",
            },
         ],
         product_status: {
            known_affected: [
               "T008027",
               "2951",
               "T002207",
               "67646",
               "T000126",
               "T004914",
            ],
         },
         release_date: "2021-04-05T22:00:00.000+00:00",
         title: "CVE-2021-30002",
      },
   ],
}


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